<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>06_for_of循环</title>
</head>
<body>

<!--
for(let value of target){}循环遍历
  1. 遍历数组
  2. 遍历Set
  3. 遍历Map
  4. 遍历字符串
  5. 遍历伪数组
-->

<button>按钮1</button>
<button>按钮2</button>
<button>按钮3</button>

<script type="text/javascript">



</script>
</body>

</html>